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Finding the Fourth Proportional to 625,700.70, 937,989.72 and 226,247.58

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Solution

The fourth proportional to 625,700.70, 937,989.72 and 226,247.58 is: 339,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,700.70 : 937,989.72 = 226,247.58 : x
  2. Step 2: Convert to fraction form
    625,700.70/937,989.72 = 226,247.58/x
  3. Step 3: Cross multiply
    625,700.70x = 937,989.72 × 226,247.58
  4. Step 4: Simplify right side
    625,700.70x = 212,217,904,214.88
  5. Step 5: Solve for x
    x = 212,217,904,214.88/625,700.70
  6. Step 6: Final answer
    x = 339,168.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.